The TCL Alto 9+ lets you bring cinema-quality sound home. Make all your entertainment more dynamic with Dolby Atmos technology, bringing you multi-dimensional sound that delivers depth and excitement for a more cinematic experience. Innovative RAY∙DANZ technology creates an incredibly immersive, ultra-wide soundstage. This also ensures a larger sweet spot, so you can enjoy amazing performance over a greater area. In addition to more immersive sound, enjoy clearer dialogue from the sound bar's center channel that’s been tuned for optimal clarity. With the wireless subwoofer, you’ll experience deep, rich bass to make movies and music truly come to life. And because it’s wireless, you can place the subwoofer virtually anywhere to adjust your exposure to huge, ground-shaking bass.